diff --git a/销售订单自动导入.py b/销售订单自动导入.py
index 52cb83f..5179753 100644
--- a/销售订单自动导入.py
+++ b/销售订单自动导入.py
@@ -236,14 +236,6 @@ def main():
     if args.automation == 'none': return 0
     print('[信息] 正在启动自动化程序')
 
-    if not bool(args.xm_username):
-        print(f"[!!!!] 错误：缺少参数 'xm-username'（小满账号邮箱）")
-        return 4
-
-    if not bool(args.xm_password):
-        print(f"[!!!!] 错误：缺少参数 'xm-password'（小满账号密码）")
-        return 5
-
     try:
         driver = webdriver.Chrome()
         driver.set_page_load_timeout(args.timeout)
@@ -288,14 +280,23 @@ def main():
                 # 其他错误
                 raise e
 
-    try:
-        locate("input.account").send_keys(args.xm_username)
-        locate("input#password").send_keys(args.xm_password)
-        locate("input.agree-checkbox").click()
-        locate("button.login-btn").click()
-    except Exception as e:
-        print(f'[!!!!] 登录网页时发生了错误：{e}')
-        return 81
+    if bool(args.xm_username) and bool(args.xm_password):
+        try:
+            locate("input.account").send_keys(args.xm_username)
+            locate("input#password").send_keys(args.xm_password)
+            locate("input.agree-checkbox").click()
+            locate("button.login-btn").click()
+        except Exception as e:
+            print(f'[!!!!] 登录网页时发生了错误：{e}')
+            return 81
+    else:
+        print("[警告] 未提供有效登录凭证")
+        key = input('[????] 请确认登录状态：已登录 (Y) / 取消操作 (N): ')
+        if key in ['Y', 'y']:
+            print('[信息] 已确认操作')
+        else:
+            print('[信息] 已取消操作')
+            return 0
 
     try:
         locate(".layout-sidebar ul li:nth-child(10) div div").click()
@@ -343,7 +344,17 @@ def main():
 
     # 设置每页显示记录数
     time.sleep(args.interval) #6
-    driver.get(driver.current_url.replace('page_size%22%3A20%2C%22', f'page_size%22%3A{args.per_page}%2C%22'))
+    url = driver.current_url
+    param = f'%22page_size%22%3A{args.per_page}%7D'
+
+    print('url before: ' + url)
+
+    if 'page_size' in url: url = url.replace('%22page_size%22%3A20%7D', param)
+    else: url += param
+
+    print('url after: ' + url)
+
+    driver.get(url)
     modified = []
 
     while True:
@@ -400,20 +411,16 @@ def main():
                             driver.execute_script("arguments[0].scrollTo(0, arguments[0].scrollHeight);", wrapper)
                             items = wrapper.find_elements(By.CSS_SELECTOR, "div.vue-recycle-scroller__item-wrapper div.vue-recycle-scroller__item-view")
                             driver.execute_script("arguments[0].scrollIntoView({ block: 'start', inline: 'end' });", items[idx])
-                            product = locate(f".product-info-group-product-name input", parent=items[-1], condition=None)
+                            product = locate(f".product-info-group-product-name input", parent=items[idx], condition=None)
 
                             if product.get_attribute('value') == 'port':
                                 # 定位元素
                                 driver.execute_script("arguments[0].scrollTo(0, arguments[0].scrollHeight);", wrapper)
-                                locate(".cell[data-cci='4'] input", parent=items[-1], condition=None)
-                                locate(".cell[data-cci='5'] input", parent=items[-1], condition=None)
-
-                                target = locate(".cell[data-cci='6'] input", parent=items[-1], condition=None)
-                                source = locate(".cell[data-cci='7'] input", parent=items[-1], condition=None)
+                                source = locate(".cell[data-cci='4'] input", parent=items[idx], condition=None)
+                                target = locate(".cell[data-cci='6'] input", parent=items[idx], condition=None)
                                 # 填入含税成本价
                                 price = source.get_attribute('value')
                                 target.send_keys(price)
-                                break
                     except Exception as e:
                         print(f"[警告] {number}: 编辑运费时发生错误：{e}")
                         warn = True